Select the correct inference of the given passage from "the cask of amontillado."
"i continued, as was my wont, to smile in his face, and he did not perceive that my smile now was at the thought of his immolation."

The narrator has plotted his revenge in secret.

the central idea of the above passage is following;

central idea: cultural study is very important specially archaeology. grimm's stories very well cater to the importance of cultural relevance.

explanation:

what passage

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